/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include <math.h>
#include "prlink.h"
#include "prenv.h"
#include "gfxPrefs.h"
#include "nsString.h"
#include "mozilla/Preferences.h"
#include "mozilla/Unused.h"
#include "nsServiceManagerUtils.h"
#include "nsIScreenManager.h"
#ifdef XP_WIN
#include "../layers/d3d11/CompositorD3D11.h"
#endif
#include "VRDisplayClient.h"
#include "VRDisplayPresentation.h"
#include "VRManagerChild.h"
#include "VRLayerChild.h"
using namespace mozilla;
using namespace mozilla::gfx;
VRDisplayClient::VRDisplayClient(const VRDisplayInfo& aDisplayInfo)
: mDisplayInfo(aDisplayInfo),
bLastEventWasMounted(false),
bLastEventWasPresenting(false),
mPresentationCount(0),
mLastEventFrameId(0),
mLastPresentingGeneration(0) {
MOZ_COUNT_CTOR(VRDisplayClient);
}
VRDisplayClient::~VRDisplayClient() { MOZ_COUNT_DTOR(VRDisplayClient); }
void VRDisplayClient::UpdateDisplayInfo(const VRDisplayInfo& aDisplayInfo) {
mDisplayInfo = aDisplayInfo;
FireEvents();
}
already_AddRefed<VRDisplayPresentation> VRDisplayClient::BeginPresentation(
const nsTArray<mozilla::dom::VRLayer>& aLayers, uint32_t aGroup) {
++mPresentationCount;
RefPtr<VRDisplayPresentation> presentation =
new VRDisplayPresentation(this, aLayers, aGroup);
return presentation.forget();
}
void VRDisplayClient::PresentationDestroyed() { --mPresentationCount; }
void VRDisplayClient::ZeroSensor() {
VRManagerChild* vm = VRManagerChild::Get();
vm->SendResetSensor(mDisplayInfo.mDisplayID);
}
void VRDisplayClient::SetGroupMask(uint32_t aGroupMask) {
VRManagerChild* vm = VRManagerChild::Get();
vm->SendSetGroupMask(mDisplayInfo.mDisplayID, aGroupMask);
}
bool VRDisplayClient::IsPresentationGenerationCurrent() const {
if (mLastPresentingGeneration != mDisplayInfo.mPresentingGeneration) {
return false;
}
return true;
}
void VRDisplayClient::MakePresentationGenerationCurrent() {
mLastPresentingGeneration = mDisplayInfo.mPresentingGeneration;
}
void VRDisplayClient::FireEvents() {
VRManagerChild* vm = VRManagerChild::Get();
// Only fire these events for non-chrome VR sessions
bool isPresenting = (mDisplayInfo.mPresentingGroups & kVRGroupContent) != 0;
// Check if we need to trigger onVRDisplayPresentChange event
if (bLastEventWasPresenting != isPresenting) {
bLastEventWasPresenting = isPresenting;
vm->FireDOMVRDisplayPresentChangeEvent(mDisplayInfo.mDisplayID);
}
// Check if we need to trigger onvrdisplayactivate event
if (!bLastEventWasMounted && mDisplayInfo.mIsMounted) {
bLastEventWasMounted = true;
if (gfxPrefs::VRAutoActivateEnabled()) {
vm->FireDOMVRDisplayMountedEvent(mDisplayInfo.mDisplayID);
}
}
// Check if we need to trigger onvrdisplaydeactivate event
if (bLastEventWasMounted && !mDisplayInfo.mIsMounted) {
bLastEventWasMounted = false;
if (gfxPrefs::VRAutoActivateEnabled()) {
vm->FireDOMVRDisplayUnmountedEvent(mDisplayInfo.mDisplayID);
}
}
// Check if we need to trigger VRDisplay.requestAnimationFrame
if (mLastEventFrameId != mDisplayInfo.mFrameId) {
mLastEventFrameId = mDisplayInfo.mFrameId;
vm->RunFrameRequestCallbacks();
}
}
VRHMDSensorState VRDisplayClient::GetSensorState() {
return mDisplayInfo.GetSensorState();
}
bool VRDisplayClient::GetIsConnected() const {
return mDisplayInfo.GetIsConnected();
}
void VRDisplayClient::NotifyDisconnected() {
mDisplayInfo.mIsConnected = false;
}
void VRDisplayClient::UpdateSubmitFrameResult(
const VRSubmitFrameResultInfo& aResult) {
mSubmitFrameResult = aResult;
}
void VRDisplayClient::GetSubmitFrameResult(VRSubmitFrameResultInfo& aResult) {
aResult = mSubmitFrameResult;
}